As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER START LT PACK LIGHT ILLUMINATED ON RECALL, EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. PACK/ZONE TEMP CONTROLLER LOGGED THIS PACK TCV. COULD NOT DUPLICATE MALFUNCTION. TCV OPS CK NORMAL SEVERAL TIMES, REF AMM 21-61-00.